US9953623B2ActiveUtilityA1

Marching drum which enables forwards and downwards visibility

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Assignee: CANOPUS CO LTDPriority: Jun 23, 2014Filed: Jun 18, 2015Granted: Apr 24, 2018
Est. expiryJun 23, 2034(~7.9 yrs left)· nominal 20-yr term from priority
Inventors:Shinichi Usuda
G10D 13/22G10D 13/02G10D 13/028
32
PatentIndex Score
0
Cited by
6
References
5
Claims

Abstract

[Problem] To provide a marching drum which ensures forwards and downwards visibility and ensures the field of view during marching. [Solution] [Effect] By eliminating all or some members of the body of the drum, or by adopting transparent members, this marching drum which enables forwards and downwards visibility ensures the performer's field of view during marching.

Claims

exact text as granted — not AI-modified
The invention claimed is: 
     
       1. A marching drum comprising a drum body having a circumferential portion and two head portions vertically disposed, said circumferential portion is configured for being mounted in front of a user face while said user is marching, such that said circumferential portion intersects a line of sight between the user's face and at least a forward distant point wherein said circumferential portion includes at least one opening formed along said line of sight allowing the user to view said distant point through said opening and wherein said at least one opening is closed with a transparent member configured to preclude a deterioration in a tone color of the drum. 
     
     
       2. The marching drum of  claim 1  wherein said at least one opening includes two openings formed on the circumferential portion such that said line of sight is formed through said two openings. 
     
     
       3. The marching drum of  claim 1  wherein said at least one opening includes a first opening, a second opening and a third opening each of which being formed on the circumferential portion such that a first line of sight extends through said first and second openings and a second line of sight extends through said first and third openings. 
     
     
       4. The marching drum of  claim 1  wherein said circumferential portion include two side parts and wherein said at least one opening is formed along the circumference between said side parts. 
     
     
       5. The marching drum of  claim 4  wherein said side parts are coupled to one another with brackets.

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